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Problems (1) 给一棵带边权的树,求遍历这棵树(每个节点至少经过一次)再回到起点的最短路程。 答案是显然的:边权之和的两倍。 (2)给一棵带边权的树,求遍历这棵树(每个节点至少经过一次)的最短路程。 (3)给一棵带边权的树T(V, E ),求T的含K个节点的连通子图的边权和的最小值。 阅读全文
posted @ 2016-11-22 11:45
Pat
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传送门 Problem Statement Ms.Kox enjoys her job, but she does not like to waste extra time traveling to and from her office. After working for many years, 阅读全文
posted @ 2016-11-22 11:43
Pat
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##[1001.Average](http://acm.hdu.edu.cn/showproblem.php?pid=5353) Summary $n$ people are sitting around a circle and every two adjacent people can exch 阅读全文
posted @ 2016-11-22 11:12
Pat
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